Sea Tel 9497B-21, Инструкция по установке и эксплуатации

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Maintenance and Troubleshooting 9497B-21 C/Ku-Band TVRO
7-24
Using DacRemP:
1. Click on the icon in the Comm Diagnostics window. (Verify that DishScan
is turned off by clicking the Error LED on main display panel, there should be a check mark
next to Conscan/DishScan)
(Steps 2-7 will require assistance to observe and operate antenna simultaneously )
Step 2:
At Antenna, If not already installed, place a circular level bubble on top lid of level cage.
Step 3:
On the ACU front Panel, press either the
ENTER
key or the
DOWN
arrow key until
the
REMOTE TILT
window is displayed
Step 4:
Push the
RIGHT
arrow key to activate the Remote Tilt Mode.
Step 5:
Based on the feedback from the technician observing the circular bubble, the technician which
operating the ACU will need to use the arrow keys to rotate the stabilized antenna mass from front to
back and left to right. You should wait at least 10 seconds between commands to allow time for sensor
to settle.
Left arrow will rotate antenna mass down to the left in the Cross-Level axis ½ degree
Right
arrow will rotate antenna mass up to the right in the Cross-Level axis ½ degree
Up arrow will rotate antenna mass up in the Level axis ½ degree
Down
arrow will rotate antenna mass down in the Level axis ½ degree
When correct the Bubble should be as close to the center of the fluid as possible.
Step 6:
Press
ENTER
key to exit Remote Tilt Mode.
Step 7: Verify Tilt Bias entered is within specifications.
From antenna:
1. Observe the bubble for approximately 3-5 minutes to ensure it remains centered.
Using DacRemP:
2. Select the reference sensor graph.
3. Verify the CL and LV displays are steady and within 4 divisions of nominal. (Anything more
than 4 divisions above or below red reference line should be of concern and
troubleshooting is required)
Step 8:
Save Level and Cross-Level Tilt Bias values.
Using the DAC2202 ACU Front Panel:
4. Press DOWN arrow or enter until you see “ REMOTE PARAMETERS” window is
displayed
5. Press
RIGHT
arrow and then press
ENTER
key (you will see a confirmation
saying ‘SAVED’)